$ git clone -n https://src.fedoraproject.org/rpms/patat.git /var/lib/mock/f39-build-1821508-41841/root/chroot_tmpdir/scmroot/patat
Cloning into '/var/lib/mock/f39-build-1821508-41841/root/chroot_tmpdir/scmroot/patat'...
$ git fetch origin 5e2511dbc8c2e6e549f40aa0bfe28394cc59d3c3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/patat
 * [new ref]         5e2511dbc8c2e6e549f40aa0bfe28394cc59d3c3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5e2511d https://hackage.haskell.org/package/patat-0.9.2.0/changelog